iiii

`sin 30^o`

`cup`

`phi`

`theta`

`x_i^2`

`x^2_i`

`sum_1^10`

`sum_{i=1}^10 i^2`

`int_1^10`


`{a+b}/{c+d}`

`frac ab`

`sqrt{x^8}`

`{frac xy}^{1/3}`

`sqrt[3]{frac xy}`

`lim_{x to theta}` 

`lt`
`gt`
`le`
`ge`
`times`
`div`
`cdot`

`a b ldots c`
`dp`
`a b cdots c`

`\gamma`

`\thita`

'10^10'
`P(X)=(e^-mu mu^x)/(x!)`
 
`R=\alpha`
x_i^2 `x_i^2`

`\gamma)

`P=(e^m m^o)/(i!)`

`$$\begin{matrix}
 1 & x & x^2 \\
 1 & y & y^2 \\
 1 & z & z^2 \\
 \end{matrix}$$`